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Finding the Fourth Proportional to 303,208.14, 418,417.56 and 167,248.02

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Solution

The fourth proportional to 303,208.14, 418,417.56 and 167,248.02 is: 230,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,208.14 : 418,417.56 = 167,248.02 : x
  2. Step 2: Convert to fraction form
    303,208.14/418,417.56 = 167,248.02/x
  3. Step 3: Cross multiply
    303,208.14x = 418,417.56 × 167,248.02
  4. Step 4: Simplify right side
    303,208.14x = 69,979,508,443.23
  5. Step 5: Solve for x
    x = 69,979,508,443.23/303,208.14
  6. Step 6: Final answer
    x = 230,796.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.